Patents
Sitemap › G10 - Musical instruments; Acoustics › G10L - Speech analysis or synthesis; Speech recognition; Speech or voice processing; Speech or audio coding or decoding › G10L 19 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
Patents for G10L 19 - Speech or audio signal analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis (31,960)
11/2007
11/07/2007CN100347742C Device for recovering missing frequency components
11/06/2007US7292973 System and method for deploying filters for processing signals
11/06/2007US7292901 Hybrid multi-channel/cue coding/decoding of audio signals
11/06/2007US7292363 Method of configuring a printer for vacation periods
11/06/2007US7292171 Method and device for the version of digital signals with heterogeneous formats and application thereof to the digital amplification of audio signals
11/06/2007US7290700 Method and system for illustrating sound and text
11/01/2007WO2007124485A2 Method and apparatus for audio transcoding
11/01/2007WO2007122574A2 Renewable watermark for theatrical content
11/01/2007WO2007122339A1 Method of notifying a transmission defect of an audio signal
11/01/2007WO2007121778A1 Advanced audio coding apparatus
11/01/2007WO2007096551A3 Method for binary coding of quantization indices of a signal envelope, method for decoding a signal envelope and corresponding coding and decoding modules
11/01/2007US20070255572 Audio Decoder, Method and Program
11/01/2007US20070255562 Adaptive rate control algorithm for low complexity AAC encoding
11/01/2007US20070255561 System for speech encoding having an adaptive encoding arrangement
11/01/2007US20070255559 Speech gain quantization strategy
11/01/2007US20070255558 Speech coder and speech decoder
11/01/2007US20070255557 Morphology-based speech signal codec method and apparatus
11/01/2007US20070255556 Audio level control for compressed audio
10/2007
10/31/2007EP1850327A1 Adaptive rate control algorithm for low complexity AAC encoding
10/31/2007EP1850326A2 Frame erasure compensation method in a variable rate speech coder
10/31/2007EP1849158A2 Method for discontinuous transmission and accurate reproduction of background noise information
10/31/2007EP1849157A1 Method of measuring annoyance caused by noise in an audio signal
10/31/2007EP1849156A1 Method for weighted overlap-add
10/31/2007EP1697929B1 Method and device for quantizing a data signal
10/31/2007EP1581929A4 Method and apparatus for artificial bandwidth expansion in speech processing
10/31/2007EP1523862B1 Audio coding
10/31/2007EP1395981B1 Device and method for processing an audio signal
10/31/2007EP0961499B1 Predictive coding method and decoding method for dynamic image
10/31/2007DE10331893B4 Verfahren zum Sparen von Leistung durch Reduzierung der Zeit des aktiven Empfangs im Standby-Betrieb Method for conserving power by reducing the period of active reception in standby mode
10/31/2007CN101065797A Audio spatial environment up-mixer
10/31/2007CN101065796A Method and apparatus for coding/decoding using inter-channel redundance
10/31/2007CN101064106A Adaptive rate control algorithm for low complexity aac encoding
10/31/2007CN100346577C Signal coding device and signal decoding device, and signal coding method and signal decoding method
10/31/2007CN100346392C Device and method for encoding, device and method for decoding
10/31/2007CN100346391C Audio signal time-scale modification method using variable length synthesis and reduced cross-correlation computation
10/31/2007CN100346390C Method for compiling variable voice signal
10/30/2007US7289963 Sound-reproducing apparatus and high frequency interpolation-processing method
10/30/2007US7289961 Data hiding via phase manipulation of audio signals
10/30/2007US7289953 Apparatus and method for speech coding
10/30/2007US7289952 Excitation vector generator, speech coder and speech decoder
10/30/2007US7289951 Method for improving the coding efficiency of an audio signal
10/30/2007US7289586 Signal processing apparatus and method
10/30/2007US7289584 Predictive multi-channel decoder
10/30/2007US7289461 Communications using wideband terminals
10/30/2007CA2428888C Method and system for comfort noise generation in speech communication
10/25/2007WO2007121140A1 Processing of excitation in audio coding and decoding
10/25/2007WO2007120453A1 Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal
10/25/2007WO2007120452A1 Audio signal loudness measurement and modification in the mdct domain
10/25/2007WO2007119368A1 Scalable encoding device and scalable encoding method
10/25/2007WO2007118583A1 Audio signal decorrelator
10/25/2007WO2007118533A1 Apparatus and method for production of a surrounding-area signal
10/25/2007WO2007099244A3 Method for limiting adaptive excitation gain in an audio decoder
10/25/2007WO2002065157A3 Empirical mode decomposition for analyzing acoustical signals
10/25/2007US20070250323 Apparatus and Method for Encoding and Decoding Plurality of Digital Data Sets
10/25/2007US20070250312 Signal processing apparatus and method thereof
10/25/2007US20070250310 Audio Encoding Device, Audio Decoding Device, and Method Thereof
10/25/2007US20070250309 Method and Apparatus for Determining a Bit Boundary of a Repetition-Coded Signal
10/25/2007US20070250308 Method and device for transcoding
10/25/2007US20070248157 Method and Apparatus to Encode and Decode Multi-Channel Audio Signals
10/25/2007DE20023937U1 Universeller Abspieler für komprimierte Audioinformationen Universal compressed audio player information
10/24/2007EP1847988A1 Pulse allocating method in voice coding
10/24/2007EP1847121A1 Display device with speaker grill
10/24/2007EP1847022A1 Encoder, decoder, method for encoding/decoding, computer readable media and computer program elements
10/24/2007EP1846922A2 Method for two-channel coding of a message
10/24/2007EP1846921A1 Method for concatenating frames in communication system
10/24/2007EP1846920A1 Method for generating concealment frames in communication system
10/24/2007EP1362341B1 Method and apparatus for encoding and decoding pause information
10/24/2007CN101061751A Multichannel audio signal decoding using de-correlated signals
10/24/2007CN101061534A Audio signal encoding apparatus and method
10/24/2007CN101061533A Sound encoding device and sound encoding method
10/24/2007CN101059958A Coding and decoding method for speedup the quantitative data with the buffer memory
10/24/2007CN101059957A An audio coding selective cryptographic method
10/24/2007CN100345184C Apparatus and method of voice recognition system for AV system
10/23/2007US7287167 Record medium, recording apparatus for record medium, recording method for record medium, reproducing apparatus for record medium, reproducing medium for record medium, and data output controlling method
10/23/2007US7286982 LPC-harmonic vocoder with superframe structure
10/23/2007US7286980 Speech processing apparatus and method for enhancing speech information and suppressing noise in spectral divisions of a speech signal
10/23/2007US7286979 Communication terminal and communication system
10/23/2007US7286887 Audio player with sensing device
10/23/2007US7286684 Secure document design carrying auxiliary machine readable information
10/23/2007US7286522 Synchronizer for use with improved in-band signaling for data communications over digital wireless telecommunications networks
10/23/2007CA2301886C Reducing sparseness in coded speech signals
10/23/2007CA2279853C A method and system for manipulation of audio or video signals
10/18/2007WO2007116809A1 Stereo audio encoding device, stereo audio decoding device, and method thereof
10/18/2007WO2007096552A3 Method for trained discrimination and attenuation of echoes of a digital signal in a decoder and corresponding device
10/18/2007WO2007093726A3 Device for perceptual weighting in audio encoding/decoding
10/18/2007WO2007091000A3 Method for coding a source audio signal and corresponding computer program products, coding device, decoding method, signal and data medium
10/18/2007WO2007080474A3 Modem for communicating data over a voice channel of a communications system
10/18/2007US20070244979 System, method and apparatus for communicating via sound messages and personal sound identifiers
10/18/2007US20070244706 Audio Signal Encoder and Audio Signal Decoder
10/18/2007US20070244699 Audio signal encoding method, program of audio signal encoding method, recording medium having program of audio signal encoding method recorded thereon, and audio signal encoding device
10/18/2007US20070244696 Method for obtaining information representative of the channel quality indication on at least one frequency subband
10/18/2007US20070244695 Selection of encoding modes and/or encoding rates for speech compression with closed loop re-decision
10/18/2007US20070242833 Device and method for generating an ambience signal
10/18/2007DE102006017280A1 Ambience signal generating device for loudspeaker, has synthesis signal generator generating synthesis signal, and signal substituter substituting testing signal in transient period with synthesis signal to obtain ambience signal
10/18/2007DE102006017278A1 Nachweis des Beginns einer Apnoe Detection of the start of apnea
10/17/2007EP1845699A1 Audio signal decorrelator
10/17/2007EP1845519A2 Encoding and decoding of multi-channel audio signals based on a main and side signal representation
10/17/2007EP1844465A2 Parametric joint-coding of audio sources
10/17/2007EP1735775B1 Method for representing multi-channel audio signals
10/17/2007EP1327240B1 Multi-channel signal coding
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